16566053432 has 16 divisors (see below), whose sum is σ = 31381571760. Its totient is φ = 8197634304.

The previous prime is 16566053411. The next prime is 16566053473. The reversal of 16566053432 is 23435066561.

It is a self number, because there is not a number n which added to its sum of digits gives 16566053432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10673228 + ... + 10674779.

It is an arithmetic number, because the mean of its divisors is an integer number (1961348235).

Almost surely, 2^16566053432 is an apocalyptic number.

It is an amenable number.

16566053432 is a deficient number, since it is larger than the sum of its proper divisors (14815518328).

16566053432 is a wasteful number, since it uses less digits than its factorization.

16566053432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21348110 (or 21348106 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 16566053432 in words is "sixteen billion, five hundred sixty-six million, fifty-three thousand, four hundred thirty-two".